Vulnerability identifier: #VU8435

Vulnerability risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-2531

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
jQuery
Web applications / JS libraries

Vendor: The jQuery Team

Description

The vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in the jQuery engine in Microsoft Lync Server 2013 and Skype for Business Server 2015. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install update from vendor's website.

Vulnerable software versions

jQuery: 1.0.0 - 3.0.0

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External links
http:Update to the latest version.

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.